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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(9)

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1.     harderrº¯Êý
harderrº¯ÊýµÄ¹¦ÄÜÊǽ¨Á¢Ò»¸öÓ²¼þ´íÎó´¦Àí³ÌÐò£¬ÆäÓ÷¨ÊÇ£ºvoid harderr(int (*fptr)());³ÌÐòÀý×ÓÈçÏ£º
#include <stdio.h>
#include <conio.h>
#include <dos.h>
#define IGNORE  0
#define RETRY   1
#define ABORT   2
int buf[500];
static char *err_msg[] = {
    "write protect",
    "unknown unit",
    "drive not ready",
    "unknown command",
    "data error (CRC)",
    "bad request",
    "seek error",
    "unknown media type",
    "sector not found",
    "printer out of paper",
    "write fault",
    "read fault",
    "general failure",
    "reserved",
    "reserved",
    "invalid disk change"
};
error_win(char *msg)
{
   int retval;
   cputs(msg);
   while(1)
   {
       retval= getch();
       if (retval == 'a' || retval == 'A')
       {
    retval = ABORT;
    break;
       }
       if (retval == 'r' || retval == 'R')
       {
    retval = RETRY;
    break;
       }
       if (retval == 'i' || retval == 'I')
       {
           retval = IGNORE;
           break;
       }
   }


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/*mysqlÊý¾Ý¿âÖбíµÄÄÚÈÝ
mysql> select * from maindb;
+------------------+---------+-------------+---------+----------+---------------------+---------------------+---------------------+------------------- ......

C/C++ ³£¼ûÃæÊÔÌâ

 
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ÓÃÃüÁîÐÐÔËÐУºlua test.lua
lua: error loading modules 'dllforlua' from file './dllforlua.dll':
    ÕÒ²»µ½Ö¸¶¨µÄ³ÌÐò¡£
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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(8)

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1.       gcvtº¯Êý
 
gcvtº¯ÊýµÄ¹¦ÄÜÊǰѸ¡µãÊýת»»³É×Ö·û´®£¬ÆäÓ÷¨ÊÇ£ºchar *gcvt(double value, int ndigit, char *buf);³ÌÐò ......
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